package com.atguigu.springcloud.controller;

import com.atguigu.springcloud.entities.CommonResult;
import com.atguigu.springcloud.entities.Payment;
import com.atguigu.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * @ClassName PaymentController
 * @Description TODO
 * @Author 周轩霆
 * @Date 2022/9/26 22:30
 **/
@RestController
@Slf4j
@RequestMapping("/payment")
public class PaymentController {
    @Autowired
    private PaymentService paymentService;
    @Resource
    private DiscoveryClient discoveryClient;
    //读取不同提供者的端口
    @Value("${server.port}")
    private String serverPort;

    @PostMapping("/create")
    public CommonResult create(@RequestBody Payment payment) {
        int result = paymentService.create(payment);
        log.info("*******插入结果是********：" + result);

        if (result > 0) {
            return new CommonResult(200, "插入成功,serverPort=" + serverPort, result);
        } else {
            return new CommonResult(444, "插入失败", null);

        }
    }

    @GetMapping(value = "/get/{id}")
    public CommonResult<Payment> getPaymentById(@PathVariable("id") Long id) {
        Payment payment = paymentService.getPaymentById(id);

        if (payment != null) {
            return new CommonResult(200, "查询成功 ,serverPort=" + serverPort, payment);
        } else {
            return new CommonResult(444, "没有对应记录,查询ID: " + id, null);
        }
    }

    @GetMapping(value = "/discovery")
    public Object discovery() {
        //对于注册进eureka里面的微服务，可以通过服务发现来获得该服务的信息
        List<String> services = discoveryClient.getServices();
        for (String element : services) {
            log.info("****element" + element);
        }
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance instance : instances) {
            log.info(instance.getServiceId() + "\t" + instance.getHost() + "\t" + instance.getPort() + "\t" + instance.getUri());
        }
        return this.discoveryClient;

    }

    @GetMapping(value = "/lb")
    public String getPaymentLB() {
        return serverPort;//返回服务接口
    }
    //服务提供方故意暂停程序
    @GetMapping(value = "/feign/timeout")
    public String paymentFeignTimeout() {
        // 业务逻辑处理正确，但是需要耗费3秒钟
        try {
            TimeUnit.SECONDS.sleep(3);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return serverPort;
    }


}
